package com.base.struct;

import java.util.Scanner;

public class ifDemo03 {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入你的成绩：");

        int  score = scanner.nextInt();


        if(score==100){
            System.out.println("恭喜满分");
        }else if(score<100 && score>=90){
            System.out.println("A级别");
        }else if(score<90 && score>=80){
            System.out.println("B级别");
        }else if(score<80 && score>=70){
            System.out.println("C级别");
        }else if(score<70 && score>=60){
            System.out.println("D级别");
        }else if(score<60 && score>=0) {
            System.out.println("不及格");
        }else{
            System.out.println("输入的成绩不合法");

            }
        scanner.close();
        }

    }

